The drug used in this study is called adalimumab. Adalimumab is FDA (Food and Drug Administration) approved for patients with moderately to severely active rheumatoid arthritis. However, adalimumab is not approved for the treatment of sarcoidosis. Adalimumab is experimental in this study. The purpose of this study is to evaluate the safety and effectiveness of adalimumab in the treatment of patients with sarcoidosis with pulmonary (lung) involvement who show symptoms of the disease even though they are currently being treated with medication.